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1058428 = 227103367
BaseRepresentation
bin100000010011001111100
31222202220001
410002121330
5232332203
634404044
711665540
oct4023174
91882801
101058428
11663238
12430624
132b09b7
141d7a20
1515d91d
hex10267c

1058428 has 24 divisors (see below), whose sum is σ = 2143232. Its totient is φ = 447984.

The previous prime is 1058423. The next prime is 1058443. The reversal of 1058428 is 8248501.

It is a super-2 number, since 2×10584282 = 2240539662368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1058396 and 1058405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2701 + ... + 3067.

21058428 is an apocalyptic number.

It is an amenable number.

1058428 is an abundant number, since it is smaller than the sum of its proper divisors (1084804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1058428 is a wasteful number, since it uses less digits than its factorization.

1058428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1058428 is about 1028.7993001553. The cubic root of 1058428 is about 101.9108538034.

The spelling of 1058428 in words is "one million, fifty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 103 206 367 412 721 734 1442 1468 2569 2884 5138 10276 37801 75602 151204 264607 529214 1058428